///*
// * Copyright 2012-2020 the original author or authors.
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      https://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//
//package com.config.client.thread;
//
//import com.config.client.thread.ScopeCache;
//
//import java.util.ArrayList;
//import java.util.Collection;
//import java.util.concurrent.ConcurrentHashMap;
//import java.util.concurrent.ConcurrentMap;
//
///**
// * A simple cache implementation backed by a concurrent map.
// *
// * @author Dave Syer
// *
// */
//public class StandardScopeCache implements ScopeCache {
//
//    private final ConcurrentMap<String, Object> cache = new ConcurrentHashMap<String, Object>();
//
//    public Object remove(String name) {
//        return this.cache.remove(name);
//    }
//
//    public Collection<Object> clear() {
//        Collection<Object> values = new ArrayList<Object>(this.cache.values());
//        this.cache.clear();
//        return values;
//    }
//
//    public Object get(String name) {
//        return this.cache.get(name);
//    }
//
//    public Object put(String name, Object value) {
//        Object result = this.cache.putIfAbsent(name, value);
//        if (result != null) {
//            return result;
//        }
//        return value;
//    }
//
//}
